CDL General Knowledge Test 8 – Classic Mode

This is CDL General Knowledge Test 8 in our original Classic Mode. Simply click in your answer to each CDL practice test question. When you’re finished, check your score and results. You can reset the test and retake it as needed.

Start Test #8 Now

1. Which of these statements about brakes is true?

A
Brake drums cool very quickly when the vehicle is moving very fast.
B
Brakes have more stopping power when they get very hot.
C
The heavier a vehicle or the faster it is moving, the more heat the brakes have to absorb to stop it.
D
All of the above are true.

4. Your vehicle is in a traffic emergency and may collide with another vehicle if you do not take action. Which of these is a good rule to remember at such a time?

A
Stopping is always the safest action in a traffic emergency.
B
Open the door and jump out if you have time.
C
Heavy vehicles can almost always turn more quickly than they can stop.
D
Leaving the road is always more risky than hitting another vehicle.

5. Which of these is a sign of tire failure?

A
steering that feels heavy.
B
Vibration.
C
A loud bang.
D
All of the above.

6. Which of these statements about drinking alcohol is true?

A
Some people are not affected by drinking.
B
A few beers have the same effect on driving as a few shots of whiskey.
C
Coffee and fresh air can sober a person up.
D
All of the above are true.

7. Which of these can help you stay alert while driving?

A
Taking short breaks before you are drowsy.
B
Keeping the cab warm.
C
Taking over-the-counter cold medicine.
D
Scheduling trips during hours that you are normally asleep.

8. Which one of these is not part of the check of the engine compartment done for a pre trip inspection?